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math-ph2003★ 1 cited
Osculating Random Walks on Cylinders
Saibal Mitra, Bernard Nienhuis
We consider random paths on a square lattice which take a left or a right turn at every vertex. The possible turns are taken with equal probability, except at a vertex which has be…
math-ph2003
Expansions about Free-Fermion Models
Saibal Mitra
A simple technique for expanding the free energy of general six-vertex models about free-fermion points is introduced. This technique is used to verify a Coulomb gas prediction abo…